package com.project.forum.services.impl;

import com.project.forum.common.AppResult;
import com.project.forum.common.ResultCode;
import com.project.forum.dao.ArticleReplyMapper;
import com.project.forum.exception.ApplicationException;
import com.project.forum.model.ArticleReply;
import com.project.forum.services.IArticleReplyService;
import com.project.forum.services.IArticleService;
import com.project.forum.utils.StringUtil;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import java.util.Date;
import java.util.List;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User:DELL
 * Time:23:38
 */
@Slf4j
@Service
public class ArticleReplyServiceImpl implements IArticleReplyService {
    @Resource
    private ArticleReplyMapper articleReplyMapper;
    @Resource
    private IArticleService articleService;
    @Override
    public void create(ArticleReply articleReply) {
        //非空校验
        if (articleReply==null||articleReply.getArticleId()==null
                ||articleReply.getPostUserId()==null
                || StringUtil.isEmpty(articleReply.getContent())){
            //打印日志
            log.warn(ResultCode.FAILED_PARAMS_VALIDATE.toString());
            //抛出异常
            throw new ApplicationException(AppResult.failed(ResultCode.FAILED_PARAMS_VALIDATE));
        }
        //设置默认值
        articleReply.setReplyId(null);
        articleReply.setReplyUserId(null);
        articleReply.setLikeCount(0);
        articleReply.setState((byte) 0);
        articleReply.setDeleteState((byte) 0);
        Date date=new Date();
        articleReply.setCreateTime(date);
        articleReply.setUpdateTime(date);
        //写入数据库
        int row = articleReplyMapper.insertSelective(articleReply);
        if(row!=1){
            //打印日志
            log.warn(ResultCode.FAILED_CREATE.toString());
            //抛出异常
            throw new ApplicationException(AppResult.failed(ResultCode.FAILED_CREATE));
        }
        //更新文章帖子表里面的回复数
        articleService.addOneReplyCountById(articleReply.getArticleId());
        //打印日志
        log.info("回复成功，article id = "+articleReply.getArticleId()+",user id ="+
                articleReply.getPostUserId());

    }

    @Override
    public List<ArticleReply> selectByArticleId(Long articleId) {
        //非空校验
        if (articleId==null||articleId<=0){
            //打印日志
            log.warn(ResultCode.FAILED_PARAMS_VALIDATE.toString());
            //抛出异常
            throw new ApplicationException(AppResult.failed(ResultCode.FAILED_PARAMS_VALIDATE));
        }
        //调用DAO查询帖子列表
        List<ArticleReply> articleReplies = articleReplyMapper.selectByArticleId(articleId);
        //返回结果
        return articleReplies;
    }
}
